IPC 2013 : D21G 5/00 : Safety devices.

IPC2013 > D > D21 > D21G > D21G 5/00[m] > Safety devices.
D SECTION D — TEXTILES; PAPER.
D21 PAPER-MAKING; PRODUCTION OF CELLULOSE.
D21G CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES (winders or rewinders for finished products, means for adjustment of wrinkles or lateral extensions B65H).
D21G 5/00 Safety devices.